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Argo S Series Service Manual

Engine system
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Argo Service Manual
SECTION EN
Briggs V Twin, Kawasaki L/C & Kohler Engine Photographs....... EN-2
General Instructions............................................................................. EN-3
Checking the Engine Oil....................................................................... EN-4
Recommended Engine Oil.................................................................... EN-4
Changing the Engine Oil...................................................................... EN-5
Draining the Engine Oil........................................................................EN-5
Oil Filter Replacement..........................................................................EN-6
Refilling the Engine...............................................................................EN-7
Air Filter................................................................................................. EN-7
Spark Plugs............................................................................................ EN-7
Removing the Engine(Kawasaki FD620D L/C)..................................EN-8
Installing the Engine............................................................................. EN-14
Removing the Engine(Briggs Models)................................................. EN-18
Installing the Engine (Briggs Models)................................................. EN-20
Removing the Engine (Kohler Aegis) Supplement Pages................ EN-20A
Installing the Engine (Kohler Aegis) Supplement Pages.................. EN-25A
Ontario Drive & Gear Limited.
PH. (519)- 662-2840 FAX (519)- 662-2421
Engine System

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EN-1
Engine System
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Summary of Contents for Argo S Series

  • Page 1: Table Of Contents

    Argo Service Manual Engine System SECTION EN Engine System Table of Contents Briggs V Twin, Kawasaki L/C & Kohler Engine Photographs..EN-2 General Instructions................EN-3 Checking the Engine Oil............... EN-4 Recommended Engine Oil..............EN-4 Changing the Engine Oil..............EN-5 Draining the Engine Oil................EN-5 Oil Filter Replacement................EN-6...
  • Page 2 Engine System Argo Service Manual Briggs& Stratton V Twin OHV 16, 18 & 23 H.P Kawasaki FD620D Liquid Cooled Kohler Aegis 20 H.P OHV 26H.P Carburated & 31H.P EFI Ontario Drive & Gear Limited www.odg.com EN-2 PH. (519)- 662-2840 FAX (519)- 662-2421...

  • Page 3: General Instructions

    Argo Service Manual Engine System General Instructions Detailed information on standard workshop and safety procedures, and general servicing operations is not included in this manual, which has been prepared to assist qualified service personnel. ODG assumes no responsibility or liability for PERSONAL INJURY or VEHICLE DAMAGE which results from any servicing procedure performed, including those instructions outlined in this manual.

  • Page 4: Checking The Engine Oil

    Engine System Argo Service Manual Engine Oil Information Checking the Engine Oil Level To check the oil during an operating period, shut the engine off, let it cool down and allow the oil time to drain into the sump before checking the oil level. Position the vehicle so the engine is level.
  • Page 5 Argo Service Manual Engine System Briggs & Stratton API Service Class SE, SF or SG Ontario Drive & Gear Limited. www.odg.com EN-5 PH. (519)- 662-2840 FAX (519)- 662-2421...

  • Page 6: Changing The Engine Oil

    Engine System Argo Service Manual Changing Engine Oil During the initial engine break-in period, change the oil after the first 8 hours of operation for Briggs & Stratton and 20 hours of operation for the Kawasaki. After the break-in period, change the engine oil every 50 operating hours, or more frequently if the vehicle is operated in dusty or dirty conditions.

  • Page 7: Oil Filter Replacement

    Argo Service Manual Engine System There is limited space between the engine and power pack frame. Cut down an empty plastic container to the correct height so it will fit under the engine oil drain. Make sure the container will hold the amount of oil in the engine.

  • Page 8: Refilling The Engine

    Air Filter All ARGO engines are equipped with a foam precleaner and dry paper air filter element housed in an air cleaner assembly attached to the carburetor. Wash and oil the precleaner after every 25 hours of operation or more often under extremely dusty or dirty conditions.
  • Page 9 Argo Service Manual Engine System Removing the Engine (FD620D Kawasaki Liquid Cooled OHV) Accessing the 4 mounting bolts that secure the engine to the power pack frame requires the power pack frame to be removed from the vehicle. Both engine and transmission can be removed through the engine access opening using an overhead hoist.
  • Page 10 Engine System Argo Service Manual Disconnect the ground wire (leading from the battery ground terminal post), at the engine. Remove the radiator overflow bottle at the front of the engine. Conquests manufactured prior to CB14963 have an O.D.G overflow bottle and holder to remove.
  • Page 11 Argo Service Manual Engine System 12. Disconnect the fuel line at the carburetor. Photo EN-9 IMPORTANT Before proceeding any further, be sure to cover the mouth of the carburetor with a rag, or other option. This will prevent anything from entering the carburetor unintentionally.
  • Page 12 Engine System Argo Service Manual EN-12 EN-11 17. Perform the servicing procedure, Removing the Drive Belt in section CS of this service guide. 18. Perform the servicing procedure, Removing the Driven Clutch, in section CS of this service guide. 19. Perform the servicing procedure, Removing the Brake Pads ( Hydraulic ) steps 1- 4, in section BR of this service guide.
  • Page 13 Argo Service Manual Engine System EN-15 EN-16 24. Perform the servicing procedure, Idler Chain Removal, in section WA of this serv- ice guide. 25. Loosen off the 2 power pack mounting bolts that run through the power pack frame and connect it with the lower main frame. One is located in front of the idler shaft, the other behind.

  • Page 14: Assembling The Engine To The Power Pack Frame (Kawasaki

    EN-23 EN-22 If the engine is being replaced, you will need to remove all Argo components that are not available with the new engine. These will need to be reassembled to the new engine. Components include, throttle cable, choke cable, exhaust manifold, driver clutch, etc.

  • Page 15: Installing The Engine

    Argo Service Manual Engine System Apply blue 242 LOCTITE to the threads of each mounting bolt and install. Torque to specifications. Installing the Engine (Kawasaki FD620D L/C) Attach the overhead hoist to the front engine hook and lower the power pack into the vehicle through the engine access opening.
  • Page 16 Engine System Argo Service Manual Lower the rear of the power pack frame aligning the mounting bolt with the main frame. Photo EN-28 Install the 3rd mid mounting bolt paying close attention to the hardware that is re- quired along with it. See your illustrated parts manual. Photo EN-29...
  • Page 17 Argo Service Manual Engine System 10. Reconnect the fuel line at the carburetor and secure with the hose clamp. 11. Secure the fuel line to the nylon clips at the front of the vehicle. 12. Assemble the lower metal air filter plate to the top of the carburetor. Photo EN-31 13.
  • Page 18 Engine System Argo Service Manual 20. Reposition the adjustable dash support back down to the top of the transmis- sion and secure the carriage bolt. Photo EN-33 21. Perform the servicing procedure, Idler Chain Installation and Idler Chain Adjustment in section WA of this serv- EN-33 ice guide.
  • Page 19 Argo Service Manual Engine System IMPORTANT Ensure that all levels of fluid (oil and antifreeze), in engine are correct before starting the vehicle. Run the engine for 5 minutes and recheck all levels. Add or remove as necessary. Removing the Engine (Briggs & Stratton 16 h.p & 18h.p) Unlike the Kawasaki FD620D L/C OHV engine, the Briggs &...
  • Page 20 19. Lift the engine out of the vehicle using an overhead hoist. Photo EN-38 EN-37 EN-38 If the engine is being replaced, all Argo components must be removed first and reinstalled on the new engine. These include driver clutch, muffler, exhaust manifold and any return springs.

  • Page 21: Installing The Engine (Briggs Models

    Argo Service Manual Engine System Installing the Engine (Briggs Models) Attach the overhead hoist to both en- gine hooks and lower the engine into the vehicle. Photo EN-39 Secure the engine to the power pack frame with 4 bolts, 8 flat washers and 4 nylon locknuts.
  • Page 22 Engine System Argo Service Manual Reattach the ground wire to the isolated ground at the front of the engine, and plug the charging wire from the main wire harness back into the engine wire harness. Reconnect the fuel line at the fuel filter.
  • Page 23 Argo Service Manual Engine System 15. Perform the servicing procedure, Installing the Intake Duct (Briggs Models), in section DE of this service guide. 16. Install the battery and reconnect battery terminals. 17. Perform the servicing procedure, Installing the Firewall, in section VB of this service guide.
  • Page 24 General Information Argo Service Manual Ontario Drive & Gear Limited www.odg.com GI-28 PH.(519)- 662-2840 FAX (519)- 662-2421...
  • Page 25 Argo Service Manual Engine System SECTION EN Supplement Pages Ontario Drive & Gear ltd. www.odg.com/centaur (519) 662-2840 FAX (519) 662-2421...
  • Page 26 Engine System Argo Service Manual Ontario Drive & Gear ltd. www.odg.com/centaur (519) 662-2840 FAX (519) 662-2421...
  • Page 27 Argo Service Manual Engine System Removing the Engine (Kohler Aegis N.A) Locate the tailpipe assembly and detach the connecting springs between the tailpipe assembly and muffler. Photo 1 & 2 Pull the assembly out through the hood area. Remove the heat deflector shield covering the muffler. Photo 3 Disconnect the fuel line from the fuel filter at the carburetor.
  • Page 28 Engine System Argo Service Manual Disconnect the ground wire attached at the front of the engine to the valve cover fastener. Photo 7 Locate the main wire harness plug-ins at the front of the engine compartment and disconnect all wires. Photo 8 Locate the starter at the front of the engine compartment and disconnect both red and black power wires from the starter solenoid.
  • Page 29 Argo Service Manual Engine System 10. Disconnect the brake cooling hose at the brake duct. Photo 13 Disconnect the choke & throttle cables from the control panel on the Kohler engine. Photo 14 & 15 Make note of which hole the throttle cable is inserted.
  • Page 30 Engine System Argo Service Manual Lifting the Engine From the Vehicle This procedure requires the use of an overhead hoist. Do NOT attempt to lift out by hand. Ensure all components attached to the engine have been detached. Lift out slowly and carefully.
  • Page 31 Argo Service Manual Engine System 16. Remove the engine to a clean workbench for further disassembly. 17. Remove the muffler if it was not previously removed. (EFI models will have an O2 sensor threaded into the muffler that will need to be removed as well. Photo 22 18.
  • Page 32 Secure the driver with the hex head fastener. Apply blue LOCTITE and Torque to specifications. Photo 5 IMPORTANT For part number and descriptions of all components and hardware, always refer to your illustrated Argo parts manual. Install the muffler assembly to the engine manifold. Photo 6 IMPORTANT Always use new manifold gaskets Ontario Drive &...
  • Page 33 Argo Service Manual Engine System IMPORTANT If you have removed the Kohler Aegis radiator assembly from the engine for any reason (repair, replacement etc.), ensure, when reinstalling it, that you tie-wrap the bottom of it securely to the lower bracket as in photo 7 & 8. This will prevent the lower radiator locating pins from dislodging from the rubber gromments under heavy vehicle application.
  • Page 34 Engine System Argo Service Manual Slowly and gently lower the engine through the hood area. Some manuevering is required as the engine does not necessarily drop in straight on. Avoid damage to any vehicle components as well as the upper body. Photo 10 & 11 IMPORTANT Align the mounting holes of the engine block with the powerpack frame studs.
  • Page 35 Argo Service Manual Engine System 11. Reconnect the brake cooling hose at the brake duct. Photo 14 12 Reconnect the choke & throttle cables to the control panel on the Kohler engine. Photo 15 Insert the throttle cable into the correct hole. Photo 16 13.
  • Page 36 Engine System Argo Service Manual 16. Locate the starter at the front of the engine compartment and reconnect both red and black power wires to the starter solenoid. Photo 19 These wires are enclosed within a red rubber boot. 17. Reconnect the ground wire attached at the front of the engine to the valve cover fastener.
  • Page 37 Argo Service Manual Engine System 22. Locate and install the tailpipe assembly. Attach the connecting springs between tailpipe assembly and muffler. Photo26 & 27 Feed the tailpipe assembly in through the hood area. 23. Replenish all fluid levels. EN-30A Ontario Drive & Gear Limited.

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